This commit introduces support to:

- Mount a separate volume for the shared data
- Do not mount the volume destinated for the unix socket if tcp is
  chosen as socket type for the communication agent/worker

Dockerfile

@@ -1,6 +1,6 @@
 FROM mcr.microsoft.com/dotnet/aspnet:8.0 as base-linux
 RUN groupadd --gid 5000 armonikuser && useradd --home-dir /home/armonikuser --create-home --uid 5000 --gid 5000 --shell /bin/sh --skel /dev/null armonikuser
-RUN mkdir /cache /local_storage && chown armonikuser: /cache /local_storage
+RUN mkdir /cache /local_storage /comm && chown armonikuser: /cache /local_storage /comm
 USER armonikuser
 ENTRYPOINT [ "dotnet" ]
 

terraform/modules/compute_plane/locals.tf

@@ -21,4 +21,5 @@ locals {
   ]
   gen_env            = [for k, v in var.generated_env_vars : "${k}=${v}"]
   polling_agent_name = "${var.polling_agent.name}${var.replica_counter}"
+  socket_vol         = var.socket_type == "tcp" ? {} : { (var.polling_agent.shared_socket) = one(docker_volume.socket_vol[*].name) }
 }

terraform/modules/compute_plane/main.tf

@@ -1,5 +1,11 @@
 resource "docker_volume" "socket_vol" {
-  name = "socket_vol${var.replica_counter}"
+  count = var.socket_type == "tcp" ? 0 : 1
+  name  = "socket_vol${var.replica_counter}"
+
+}
+
+resource "docker_volume" "comm_vol" {
+  name = "comm_vol${var.replica_counter}"
 }
 
 resource "docker_image" "worker" {
@@ -27,10 +33,19 @@ resource "docker_container" "worker" {
     external = var.worker.port + var.replica_counter
   }
 
+  dynamic "mounts" {
+    for_each = local.socket_vol
+    content {
+      type   = "volume"
+      target = mounts.value
+      source = mounts.key
+    }
+  }
+
   mounts {
     type   = "volume"
-    target = var.polling_agent.shared_socket
-    source = docker_volume.socket_vol.name
+    target = var.polling_agent.shared_data
+    source = docker_volume.comm_vol.name
   }
 }
 
@@ -59,8 +74,17 @@ resource "docker_container" "polling_agent" {
 
   mounts {
     type   = "volume"
-    target = var.polling_agent.shared_socket
-    source = docker_volume.socket_vol.name
+    target = var.polling_agent.shared_data
+    source = docker_volume.comm_vol.name
+  }
+
+  dynamic "mounts" {
+    for_each = local.socket_vol
+    content {
+      type   = "volume"
+      target = mounts.value
+      source = mounts.key
+    }
   }
 
   restart = "unless-stopped"

terraform/variables.tf

@@ -135,7 +135,7 @@ variable "compute_plane" {
       // env for the agent and env for the worker
       // They will be used for both
       shared_socket = optional(string, "/cache")
-      shared_data   = optional(string, "/cache")
+      shared_data   = optional(string, "/comm")
     })
   })
   default = {